--- a/configure.ac
+++ b/configure.ac
@@ -65,7 +65,7 @@ fi
 AC_DEFINE([GEIS_UNUSED],[__attribute__((unused))],[symbol is unused])
 
 AC_SUBST(AM_CFLAGS,
-         "-Wall -Wextra -Werror -pedantic -std=iso9899:1999 -D_GNU_SOURCE=1")
+         "-Wall -Wextra -pedantic -std=iso9899:1999 -D_GNU_SOURCE=1")
 
 # Check for TDD tools
 PKG_CHECK_MODULES([CHECK], [check >= 0.9.8],